CN108008765A - Electronic equipment - Google Patents

Abstract

An embodiment of the present application provides an electronic device, which includes a display screen, a light-shielding layer arranged on one side of the display screen, a sensor component, and a circuit board. The light-shielding layer is set between the display screen and the sensor component, and the sensor component is set on the circuit On the board, the display screen includes a straight part and curved parts on both sides. The position of the sensor component corresponds to the curved part of the display screen. The sensor component includes a signal transmitter and a signal receiver. The signal transmitter is used to transmit the detection signal to the outside world, and the detection signal Reflected signals are formed after being reflected by external objects, and the signal receiver is used to receive the reflected signals. In this application, since the distance sensor is arranged on the side surface of the screen, it does not need to occupy the front panel space of the terminal, reduces the use of space resources on the front panel of the electronic device, and saves hardware costs and manufacturing processes.

Description

Electronic equipment

technical field

The present application relates to the technical field of electronic equipment, in particular to an electronic equipment.

Background technique

With the development of communication technology, electronic devices such as smartphones are becoming more and more popular. During the use of the electronic device, such as during a call, in order to avoid misoperation of the user on the electronic device, when the user's face approaches the electronic device for a certain distance, the electronic device will automatically turn off the screen. Generally, the electronic device detects the approaching and moving away of the user's face through a proximity sensor, and controls the electronic device to turn off or turn on the screen according to the detected data.

At the same time, with the development of mobile Internet technology, information security and identity authentication issues on mobile smart terminals have become increasingly prominent, and more and more smart terminals have integrated biometric technologies for identifying biological information such as fingerprints, faces, and irises. In addition, sensors such as ambient light sensors and distance sensors are also required. These sensors are often set on the front panel of the terminal and need to occupy a large part of the area, which will occupy the tight available space on the front panel of the mobile phone. The proportion is small.

Contents of the invention

An embodiment of the present application provides an electronic device, which can reduce the use of space resources on the front panel of the electronic device.

An embodiment of the present application provides an electronic device, including a display screen, a light-shielding layer disposed on one side of the display screen, a sensor component, and a circuit board, the light-shielding layer being disposed between the display screen and the sensor component, The sensor assembly is arranged on the circuit board;

The display screen includes a straight portion and curved portions on both sides, and the position of the sensor assembly corresponds to the curved portion of the display screen;

The sensor assembly includes a signal transmitter and a signal receiver, the signal transmitter is used to transmit a detection signal to the outside world, the detection signal is reflected by an external object to form a reflected signal, and the signal receiver is used to receive the reflected signal .

The electronic device provided by the embodiment of the present application, since the distance sensor is arranged on the side surface of the screen, does not need to occupy the front panel space of the terminal, and does not need to add other hardware devices, reduces the use of space resources on the front panel of the electronic device, and saves hardware costs and manufacturing. process.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings that need to be used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 2 is a schematic diagram of a second structure of an electronic device provided by an embodiment of the present application.

FIG. 3 is a schematic diagram of a third structure of an electronic device provided by an embodiment of the present application.

Fig. 4 is a schematic diagram of the fourth structure of the electronic device provided by the embodiment of the present application

FIG. 5 is a schematic plan view of a display screen in an electronic device provided by an embodiment of the present application.

FIG. 6 is a schematic diagram of a fifth structure of an electronic device provided by an embodiment of the present application.

FIG. 7 is a schematic structural diagram of a sensor assembly provided by an embodiment of the present application.

FIG. 8 is another schematic structural diagram of the sensor assembly provided by the embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise specifically defined.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components relation. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

In this application, unless otherwise expressly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

The following disclosure provides many different implementations or examples for implementing different structures of the present application. To simplify the disclosure of the present application, components and arrangements of specific examples are described below. Of course, they are examples only and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or reference letters in various instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and/or the use of other materials.

An embodiment of the present application provides an electronic device. The electronic device may be a smart phone, a tablet computer or the like. Referring to FIG. 1 , an electronic device 100 includes a cover plate 10 , a display panel assembly, a circuit board 30 and a casing 40 .

Wherein, the cover plate 10 is installed on the display screen assembly to cover the display screen assembly. The cover plate 10 may be a transparent glass cover plate. In some embodiments, the cover plate 10 may be a glass cover plate made of materials such as sapphire.

The display screen assembly is mounted on the casing 40 to form a display surface of the electronic device 100 . As the front shell of the electronic device 100 , the display screen assembly forms a closed space with the casing 40 for accommodating other electronic components of the electronic device 100 . Meanwhile, the display screen component forms a display surface of the electronic device 100 for displaying information such as images and texts.

The circuit board 30 is installed inside the casing 40 to accommodate the circuit board 30 in the above-mentioned closed space. The circuit board 30 may be a main board of the electronic device 100 . A grounding point is provided on the circuit board 30 to realize the grounding of the circuit board 30 . Functional components such as a camera and a processor may be integrated on the circuit board 30 . Meanwhile, the display screen assembly may be electrically connected to the circuit board 30 .

In some embodiments, a display control circuit is disposed on the circuit board 30 . The display control circuit outputs electric signals to the display screen component to control the display screen component to display information.

The casing 40 is used to form the outer contour of the electronic device 100 . The material of the housing 40 can be plastic or metal. The housing 40 can be integrally formed.

In some embodiments, as shown in FIG. 2 , the electronic device includes a display screen 21 and a light shielding layer 22 arranged on one side of the display screen 21, a sensor component and a circuit board 30, wherein the light shielding layer 22 and the sensor component are arranged on the display screen 21 21 , and the light-shielding layer 22 is arranged between the display screen 21 and the sensor assembly, and the sensor assembly is arranged on the circuit board 30 .

It can be understood that the light-shielding layer 22 and the sensor components are arranged inside the display screen 21 . Wherein, the inner side refers to the side where the display screen 21 is not visible when viewed from the outside of the electronic device 100 . That is, the light shielding layer 22 and the sensor components are located inside the electronic device 100 .

Wherein, the light-shielding layer 22 is used to hide the internal structure of the electronic device 100 , preventing the user from observing the internal electronic components of the electronic device 100 through the display screen 21 .

In the embodiment of the present invention, the sensor assembly includes a signal transmitter 52 and a signal receiver 51. For example, the signal transmitter 52 can be an infrared LED lamp, which is used to transmit infrared rays to the outside after passing through the display screen 21. After the infrared rays are reflected by external objects A reflected light is formed, and the signal receiver 51 is used to receive the reflected light. Wherein, both the signal transmitter 52 and the signal receiver 51 can be arranged on the circuit board 30, and the circuit board 30 can be a flexible circuit board.

Wherein, the display screen 21 includes a straight portion 211 and curved portions on both sides, the curved portion includes a first curved surface 212 and a second curved surface 213 , and the position of the sensor assembly corresponds to the curved portion of the display screen 21 .

In an embodiment, the positions of the signal transmitter 52 and the signal receiver 51 may correspond to the second curved surface 213 and the first curved surface 212 respectively. It can be understood that in this embodiment, the signal transmitter 52 and the signal receiver 51 The positions can also be interchanged. In other embodiments, the above-mentioned signal transmitter 52 and signal receiver 51 may also correspond to a curved surface part, such as setting the positions of the signal transmitter 52 and the signal receiver 51 to correspond to the first curved surface 212 or the second curved surface 213 .

The light shielding layer 22 is provided with a first opening 221 and a second opening 222 . Wherein, the positions of the first opening 221 and the second opening 222 correspond to the signal receiver 51 and the signal transmitter 52 respectively. The first opening 221 and the second opening 222 allow optical signals, acoustic signals and other signals to pass through.

Wherein, if the signal transmitter 52 and the signal receiver 51 are arranged in the first curved surface 212 and the second curved surface 213 respectively, the distance between the signal transmitter 52 and the signal receiver 51 will be close to the body width of the electronic device , the distance between the signal transmitter 52 and the signal receiver 51 is the distance between the geometric center of the signal transmitter 52 and the geometric center of the signal receiver 51 . Correspondingly, the distance between the first opening 221 and the second opening 222 provided on the light-shielding layer 22 will also be close to the width of the body of the electronic device. However, in other embodiments, if the positions of the signal transmitter 52 and the signal receiver 51 are set to correspond to a curved surface, for example, the positions of the signal transmitter 52 and the signal receiver 51 are set to correspond to the first curved surface 212 or For the second curved surface 213, the distance between the signal transmitter 52 and the signal receiver 51 can be set to 2mm-14mm.

The signal transmitter 52 is used for transmitting detection signals to the outside. The detection signal is transmitted to the outside through the second opening 222 . After the detection signal touches an external object (for example, a user's face), a reflection signal is generated. The reflected signal enters the signal receiver 51 through the first opening 221 . After receiving the reflected signal, the signal receiver 51 can output the received signal to the processor of the electronic device 100 for processing, so as to control the display screen of the electronic device 100 to turn off or turn on the screen.

Setting the first opening 221 and the second opening 222 on the light-shielding layer 22 can improve the transmittance of the signal emitted by the signal transmitter 52, thereby enhancing the signal strength received by the signal receiver 51, thereby improving the detection accuracy of the sensor assembly. performance, so as to improve the accuracy of the electronic device 100 in controlling the display screen to be turned off or turned on.

In some embodiments, the display screen 21 may be a liquid crystal display (Liquid Crystal Display, LCD) or an organic light-emitting diode display (Organic Light-Emitting Diode, OLED) or other type of display. When the display screen 21 is a liquid crystal display screen, the display screen 21 may include a backlight plate, a lower polarizer, an array substrate, a liquid crystal layer, a color filter substrate, and an upper polarizer that are sequentially stacked. When the display screen 21 is an organic light emitting diode display screen, the display screen 21 may include structures such as a base layer, an anode, an organic layer, a conductive layer, an emission layer, and a cathode stacked in sequence.

In some embodiments, the light-shielding layer 22 may be a thin-layer structure made of materials such as foam or steel sheets.

In some embodiments, as shown in FIG. 3 , the light-shielding layer 22 may also be disposed only under the direct-facing portion 211 of the screen 21 , and in this case, there is no need to open holes on the light-shielding layer 22 .

In some embodiments, as shown in FIG. 4 , the above sensor assembly may further include an ambient light sensor 53 , and the ambient light sensor 53 may be disposed adjacent to the signal transmitter 52 . The ambient light sensor 53 is used to detect the intensity of ambient light. The electronic device 100 can adjust the brightness of the display screen 21 according to the ambient light intensity detected by the ambient light sensor 53 .

In some embodiments, as shown in FIG. 5 , the display screen 21 includes a display area 215 and a non-display area 216 . Wherein, the display area 215 performs the display function of the display screen 21 for displaying information. The non-display area 216 does not display information. The display screen 21 may include a plurality of non-display areas 216 spaced apart from each other. For example, non-display areas 216 are respectively provided on the top and bottom of the display screen 21 . The non-display area 216 can be used to set functional components such as a camera, a receiver, and a fingerprint module.

Wherein, both the first opening 221 and the second opening 222 on the light shielding layer 22 are located in the display area 215 . Through the first opening 221 and the second opening 222 , the sensor assembly can realize the proximity sensing function of the electronic device 100 , so that there is no need to separately arrange openings and proximity sensors in the non-display area of the display screen 21 .

In some embodiments, the first opening 221 and the second opening 222 are round holes. The diameters of the first opening 221 and the second opening 222 may be 2 to 6 mm. In some other embodiments, the openings may also be square holes, elliptical holes and other shaped holes.

In some embodiments, as shown in FIG. 6 , the light shielding layer 22 may specifically include a first light shielding layer 223 and a second light shielding layer 224 . The first light-shielding layer 223 is arranged on the side of the display screen 21 close to the sensor assembly, and the second light-shielding layer 224 is arranged on the side of the first light-shielding layer 223 close to the sensor assembly, and the second light-shielding layer 224 includes a first opening 221 and The second opening 222, the first opening 221 and the second opening 222 respectively correspond to the signal receiver 51 and the signal transmitter 52, and the first light shielding layer 223 covers the first opening 221 and the second opening 223 of the second light shielding layer 224. The holes 222 are formed so that the first hole 221 and the second hole 222 are hidden from view from the appearance of the display screen 21 .

It can be understood that, the number of first light-shielding layers 223 included in the light-shielding layer 22 can be set according to actual needs, such as 1 layer, 2 layers, 3 layers and so on. In this embodiment, the electronic device 100 of the present invention is described by taking the first light-shielding layer 223 as an example. Certainly, in other embodiments, the number of layers included in the first light shielding layer 223 may also be 3 layers.

Wherein, the transmittance of the first light shielding layer 223 is greater than the transmittance of the second adhesion layer 18 .

For example, the transmittance of the first light shielding layer 223 may be 80% or more, and the transmittance of the second light shielding layer 224 may be 10% or less. In practical applications, the first light-shielding layer 223 may be called a transmission layer for transmitting most light, and the second light-shielding layer 224 may be called a shielding layer for blocking most light.

The second light-shielding layer 224 can block external ambient light or light inside the mobile electronic device 100 to achieve the effect of covering the internal structure of the mobile electronic device 100 and make the appearance of the electronic device 100 more beautiful. The ink color of the second light-shielding layer 224 can be black, gray and other colors, as long as the transmittance of the second light-shielding layer 224 is greater than that of the first light-shielding layer 223, which can be set according to actual needs. In this embodiment, the first light shielding layer 223 may be a white ink layer, and the second light shielding layer 224 may be a black ink layer.

In the embodiment of the present invention, since holes are only opened on the second light-shielding layer 224 and no holes are opened on the first light-shielding layer 223, the panel layout design and manufacturing process can be simplified. Compared with the prior art, the smart terminal can be simplified. The manufacturing process greatly improves the appearance expressiveness of the electronic device 100 .

In some embodiments, the process of proximity sensing is that the signal transmitter 52 generates infrared rays, and the infrared rays pass through the second opening 222 and the first light-shielding layer 223 to be transmitted to the outside world, and are reflected to the display screen 21 after hitting an obstruction, and then The infrared rays are reflected by the display screen 21 to the shielding object, and after being reflected by the shielding object and the display screen 21 , the infrared rays pass through the first light-shielding layer 223 and the first opening 221 to be received by the signal receiver 51 .

As shown in FIG. 7 , for the convenience of assembly, the sensor assembly 50 can be separately manufactured, including the circuit board 30 and the signal transmitter 52 and the signal receiver 51 arranged on the point circuit board 30 . Wherein, the signal transmitter 52 and the signal receiver 51 are arranged at intervals, and the distance d between the geometric center of the signal transmitter 52 and the geometric center of the signal receiver 51 is close to the width of the electronic device. The signal transmitter 52 and the signal receiver 51 can be packaged into a first chip.

In some embodiments, when the signal transmitter 52 and the signal receiver 51 are arranged on the corresponding first curved surface 212 or the second curved surface 213 at the same time, the signal transmitter 52 and the signal receiver 51 can also be arranged adjacent to each other to reduce the The volume of the first chip is small.

In some embodiments, as shown in FIG. 8 , the sensor assembly includes a signal transmitter 52 and a signal receiver 51 and an ambient light sensor 53 . Wherein, the ambient light sensor 53 is used to detect the ambient light intensity. The electronic device 100 can adjust the brightness of the display screen 21 according to the ambient light intensity detected by the ambient light sensor 53 .

The signal transmitter 52 and the signal receiver 51 are arranged at intervals. The signal transmitter 52 and the ambient light sensor 53 may be arranged adjacent to each other.

In some embodiments, the signal transmitter 52 and the signal receiver 51 and the ambient light sensor 53 can be packaged into a second chip.

To sum up, the present application provides an electronic device, the electronic device includes a display screen, a light-shielding layer arranged on one side of the display screen, a sensor component and a circuit board, the light-shielding layer is set between the display screen and the sensor component, and the sensor component is set On the circuit board, the display screen includes a straight part and curved parts on both sides. The position of the sensor component corresponds to the curved part of the display screen. The sensor component includes a signal transmitter and a signal receiver. The signal transmitter is used to transmit detection signals to the outside world. The detection signal is reflected by external objects to form a reflected signal, and the signal receiver is used to receive the reflected signal. In this application, since the distance sensor is arranged on the side surface of the screen, it does not need to occupy the front panel space of the terminal, reduces the use of space resources on the front panel of the electronic device, and saves hardware costs and manufacturing processes.

While the invention has been shown and described with respect to one or more implementations, equivalent alterations and modifications will occur to others skilled in the art upon the reading and understanding of this specification and the annexed drawings. The present invention includes all such modifications and variations and is limited only by the scope of the appended claims. With particular reference to the various functions performed by the components described above, terminology used to describe such components is intended to correspond to any component that performs the specified function (eg, which is functionally equivalent) of the described component (unless otherwise indicated). , even if not structurally equivalent to the disclosed structures that perform the functions shown herein in the exemplary implementations of the specification. Furthermore, although a particular feature of this specification has been disclosed with respect to only one of several implementations, such feature may be combined with one or more other implementations as may be desirable and advantageous for a given or particular application. other feature combinations. Moreover, to the extent the terms "comprises", "has", "comprising" or variations thereof are used in the detailed description or the claims, such terms are intended to be encompassed in a manner similar to the term "comprising".

The electronic device provided by the embodiments of the present invention has been introduced in detail above. In this paper, specific examples have been used to illustrate the principle and implementation of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea; meanwhile, for those skilled in the art, according to the present invention Thoughts, specific implementation methods and scope of application all have changes. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims (10)

1. An electronic device, characterized in that it comprises a display screen, a light-shielding layer arranged on one side of the display screen, a sensor assembly and a circuit board, and the light-shielding layer is arranged between the display screen and the sensor assembly , the sensor assembly is arranged on the circuit board; The display screen includes a straight portion and curved portions on both sides, and the position of the sensor assembly corresponds to the curved portion of the display screen; The sensor assembly includes a signal transmitter and a signal receiver, the signal transmitter is used to transmit a detection signal to the outside world, the detection signal is reflected by an external object to form a reflected signal, and the signal receiver is used to receive the reflected signal . 2. The electronic device according to claim 1, wherein the curved portion of the display screen comprises a first curved surface and a second curved surface, and the positions of the signal transmitter and the signal receiver correspond to the first curved surface respectively and the second surface. 3. The electronic device according to claim 1, wherein the light-shielding layer comprises a first opening and a second opening, and the first opening and the second opening correspond to the signal transmitter and the signal transmitter respectively. signal receiver. 4. The electronic device according to claim 3, wherein the display screen comprises a display area for displaying information, and the first opening and the second opening on the light-shielding layer are located at the within the above display area. 5. The electronic device according to claim 1, wherein the signal transmitter and the signal receiver are packaged into a first chip. 6. The electronic device according to any one of claims 1 to 5, wherein the sensor component further comprises an ambient light sensor, and the ambient light sensor is used to detect the intensity of ambient light. 7. The electronic device according to claim 6, wherein the signal transmitter, signal receiver and ambient light sensor are packaged into a second chip. 8. The electronic device according to claim 3, wherein the diameters of the first opening and the second opening are 2 to 6 mm. 9. The electronic device according to claim 1, wherein the light-shielding layer comprises a first light-shielding layer and a second light-shielding layer; The first light-shielding layer is arranged on the side of the display screen close to the sensor assembly; The second light-shielding layer is disposed on the side of the first light-shielding layer close to the sensor component; The second light-shielding layer includes a first opening and a second opening, the first opening and the second opening respectively correspond to the signal transmitter and the signal receiver, and the first light-shielding layer covers the first The first opening and the second opening of the second light-shielding layer are hidden from view from the appearance of the display screen. 10. The electronic device according to claim 9, wherein the first light-shielding layer is a white ink layer, and the second light-shielding layer is a black ink layer.